<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<a href="./demo01.do?action=requestAttrs">request</a><br>
<a href="./demo01.do?action=sessionAttrs">session</a><br>
<a href="./demo01.do?action=contextAttrs">context</a><br>
<a href="./demo01.do?action=addPerson">addPerson</a><br>
<a href="./demo01.do?action=removePerson">removePerson</a><br>
<a href="./demo01.do?action=PassivateStudent">PassivateStudent</a><br>
<a href="./demo01.do?action=ActivateStudent">ActivateStudent</a><br>
</body>

</html>